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mirror of https://github.com/prometheus-community/postgres_exporter.git synced 2025-08-09 15:42:47 +03:00

Add self-contained gometalinter build tooling.

This commit is contained in:
Will Rouesnel
2017-06-06 21:39:41 +10:00
parent 0de0311c22
commit e2b6c973a1
710 changed files with 277204 additions and 35 deletions

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tools/vendor/github.com/kisielk/gotool/LEGAL generated vendored Normal file
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All the files in this distribution are covered under either the MIT
license (see the file LICENSE) except some files mentioned below.
match.go, match_test.go:
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Copyright (c) 2013 Kamil Kisiel <kamil@kamilkisiel.net>
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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gotool
======
[![GoDoc](https://godoc.org/github.com/kisielk/gotool?status.svg)](https://godoc.org/github.com/kisielk/gotool)
[![Build Status](https://travis-ci.org/kisielk/gotool.svg?branch=master)](https://travis-ci.org/kisielk/gotool)
Package gotool contains utility functions used to implement the standard "cmd/go" tool, provided as a convenience to developers who want to write tools with similar semantics.

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// +build !go1.4
package gotool
import (
"go/build"
"path/filepath"
"runtime"
)
var gorootSrc = filepath.Join(runtime.GOROOT(), "src", "pkg")
func shouldIgnoreImport(p *build.Package) bool {
return true
}

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// +build go1.4,!go1.6
package gotool
import (
"go/build"
"path/filepath"
"runtime"
)
var gorootSrc = filepath.Join(runtime.GOROOT(), "src")
func shouldIgnoreImport(p *build.Package) bool {
return true
}

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// +build go1.6
package gotool
import (
"go/build"
"path/filepath"
"runtime"
)
var gorootSrc = filepath.Join(runtime.GOROOT(), "src")
func shouldIgnoreImport(p *build.Package) bool {
return p == nil || len(p.InvalidGoFiles) == 0
}

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tools/vendor/github.com/kisielk/gotool/match.go generated vendored Normal file
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// Copyright (c) 2009 The Go Authors. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package gotool
import (
"fmt"
"go/build"
"log"
"os"
"path"
"path/filepath"
"regexp"
"strings"
)
// This file contains code from the Go distribution.
// matchPattern(pattern)(name) reports whether
// name matches pattern. Pattern is a limited glob
// pattern in which '...' means 'any string' and there
// is no other special syntax.
func matchPattern(pattern string) func(name string) bool {
re := regexp.QuoteMeta(pattern)
re = strings.Replace(re, `\.\.\.`, `.*`, -1)
// Special case: foo/... matches foo too.
if strings.HasSuffix(re, `/.*`) {
re = re[:len(re)-len(`/.*`)] + `(/.*)?`
}
reg := regexp.MustCompile(`^` + re + `$`)
return reg.MatchString
}
func (c *Context) matchPackages(pattern string) []string {
match := func(string) bool { return true }
treeCanMatch := func(string) bool { return true }
if !isMetaPackage(pattern) {
match = matchPattern(pattern)
treeCanMatch = treeCanMatchPattern(pattern)
}
have := map[string]bool{
"builtin": true, // ignore pseudo-package that exists only for documentation
}
if !c.BuildContext.CgoEnabled {
have["runtime/cgo"] = true // ignore during walk
}
var pkgs []string
for _, src := range c.BuildContext.SrcDirs() {
if (pattern == "std" || pattern == "cmd") && src != gorootSrc {
continue
}
src = filepath.Clean(src) + string(filepath.Separator)
root := src
if pattern == "cmd" {
root += "cmd" + string(filepath.Separator)
}
filepath.Walk(root, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() || path == src {
return nil
}
// Avoid .foo, _foo, and testdata directory trees.
_, elem := filepath.Split(path)
if strings.HasPrefix(elem, ".") || strings.HasPrefix(elem, "_") || elem == "testdata" {
return filepath.SkipDir
}
name := filepath.ToSlash(path[len(src):])
if pattern == "std" && (!isStandardImportPath(name) || name == "cmd") {
// The name "std" is only the standard library.
// If the name is cmd, it's the root of the command tree.
return filepath.SkipDir
}
if !treeCanMatch(name) {
return filepath.SkipDir
}
if have[name] {
return nil
}
have[name] = true
if !match(name) {
return nil
}
_, err = c.BuildContext.ImportDir(path, 0)
if err != nil {
if _, noGo := err.(*build.NoGoError); noGo {
return nil
}
}
pkgs = append(pkgs, name)
return nil
})
}
return pkgs
}
// importPathsNoDotExpansion returns the import paths to use for the given
// command line, but it does no ... expansion.
func (c *Context) importPathsNoDotExpansion(args []string) []string {
if len(args) == 0 {
return []string{"."}
}
var out []string
for _, a := range args {
// Arguments are supposed to be import paths, but
// as a courtesy to Windows developers, rewrite \ to /
// in command-line arguments. Handles .\... and so on.
if filepath.Separator == '\\' {
a = strings.Replace(a, `\`, `/`, -1)
}
// Put argument in canonical form, but preserve leading ./.
if strings.HasPrefix(a, "./") {
a = "./" + path.Clean(a)
if a == "./." {
a = "."
}
} else {
a = path.Clean(a)
}
if isMetaPackage(a) {
out = append(out, c.allPackages(a)...)
continue
}
out = append(out, a)
}
return out
}
// importPaths returns the import paths to use for the given command line.
func (c *Context) importPaths(args []string) []string {
args = c.importPathsNoDotExpansion(args)
var out []string
for _, a := range args {
if strings.Contains(a, "...") {
if build.IsLocalImport(a) {
out = append(out, c.allPackagesInFS(a)...)
} else {
out = append(out, c.allPackages(a)...)
}
continue
}
out = append(out, a)
}
return out
}
// allPackages returns all the packages that can be found
// under the $GOPATH directories and $GOROOT matching pattern.
// The pattern is either "all" (all packages), "std" (standard packages),
// "cmd" (standard commands), or a path including "...".
func (c *Context) allPackages(pattern string) []string {
pkgs := c.matchPackages(pattern)
if len(pkgs) == 0 {
fmt.Fprintf(os.Stderr, "warning: %q matched no packages\n", pattern)
}
return pkgs
}
// allPackagesInFS is like allPackages but is passed a pattern
// beginning ./ or ../, meaning it should scan the tree rooted
// at the given directory. There are ... in the pattern too.
func (c *Context) allPackagesInFS(pattern string) []string {
pkgs := c.matchPackagesInFS(pattern)
if len(pkgs) == 0 {
fmt.Fprintf(os.Stderr, "warning: %q matched no packages\n", pattern)
}
return pkgs
}
func (c *Context) matchPackagesInFS(pattern string) []string {
// Find directory to begin the scan.
// Could be smarter but this one optimization
// is enough for now, since ... is usually at the
// end of a path.
i := strings.Index(pattern, "...")
dir, _ := path.Split(pattern[:i])
// pattern begins with ./ or ../.
// path.Clean will discard the ./ but not the ../.
// We need to preserve the ./ for pattern matching
// and in the returned import paths.
prefix := ""
if strings.HasPrefix(pattern, "./") {
prefix = "./"
}
match := matchPattern(pattern)
var pkgs []string
filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() {
return nil
}
if path == dir {
// filepath.Walk starts at dir and recurses. For the recursive case,
// the path is the result of filepath.Join, which calls filepath.Clean.
// The initial case is not Cleaned, though, so we do this explicitly.
//
// This converts a path like "./io/" to "io". Without this step, running
// "cd $GOROOT/src; go list ./io/..." would incorrectly skip the io
// package, because prepending the prefix "./" to the unclean path would
// result in "././io", and match("././io") returns false.
path = filepath.Clean(path)
}
// Avoid .foo, _foo, and testdata directory trees, but do not avoid "." or "..".
_, elem := filepath.Split(path)
dot := strings.HasPrefix(elem, ".") && elem != "." && elem != ".."
if dot || strings.HasPrefix(elem, "_") || elem == "testdata" {
return filepath.SkipDir
}
name := prefix + filepath.ToSlash(path)
if !match(name) {
return nil
}
// We keep the directory if we can import it, or if we can't import it
// due to invalid Go source files. This means that directories containing
// parse errors will be built (and fail) instead of being silently skipped
// as not matching the pattern. Go 1.5 and earlier skipped, but that
// behavior means people miss serious mistakes.
// See golang.org/issue/11407.
if p, err := c.BuildContext.ImportDir(path, 0); err != nil && shouldIgnoreImport(p) {
if _, noGo := err.(*build.NoGoError); !noGo {
log.Print(err)
}
return nil
}
pkgs = append(pkgs, name)
return nil
})
return pkgs
}
// isMetaPackage checks if name is a reserved package name that expands to multiple packages
func isMetaPackage(name string) bool {
return name == "std" || name == "cmd" || name == "all"
}
// isStandardImportPath reports whether $GOROOT/src/path should be considered
// part of the standard distribution. For historical reasons we allow people to add
// their own code to $GOROOT instead of using $GOPATH, but we assume that
// code will start with a domain name (dot in the first element).
func isStandardImportPath(path string) bool {
i := strings.Index(path, "/")
if i < 0 {
i = len(path)
}
elem := path[:i]
return !strings.Contains(elem, ".")
}
// hasPathPrefix reports whether the path s begins with the
// elements in prefix.
func hasPathPrefix(s, prefix string) bool {
switch {
default:
return false
case len(s) == len(prefix):
return s == prefix
case len(s) > len(prefix):
if prefix != "" && prefix[len(prefix)-1] == '/' {
return strings.HasPrefix(s, prefix)
}
return s[len(prefix)] == '/' && s[:len(prefix)] == prefix
}
}
// treeCanMatchPattern(pattern)(name) reports whether
// name or children of name can possibly match pattern.
// Pattern is the same limited glob accepted by matchPattern.
func treeCanMatchPattern(pattern string) func(name string) bool {
wildCard := false
if i := strings.Index(pattern, "..."); i >= 0 {
wildCard = true
pattern = pattern[:i]
}
return func(name string) bool {
return len(name) <= len(pattern) && hasPathPrefix(pattern, name) ||
wildCard && strings.HasPrefix(name, pattern)
}
}

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// Package gotool contains utility functions used to implement the standard
// "cmd/go" tool, provided as a convenience to developers who want to write
// tools with similar semantics.
package gotool
import "go/build"
// Export functions here to make it easier to keep the implementations up to date with upstream.
// DefaultContext is the default context that uses build.Default.
var DefaultContext = Context{
BuildContext: build.Default,
}
// A Context specifies the supporting context.
type Context struct {
// BuildContext is the build.Context that is used when computing import paths.
BuildContext build.Context
}
// ImportPaths returns the import paths to use for the given command line.
//
// The path "all" is expanded to all packages in $GOPATH and $GOROOT.
// The path "std" is expanded to all packages in the Go standard library.
// The path "cmd" is expanded to all Go standard commands.
// The string "..." is treated as a wildcard within a path.
// When matching recursively, directories are ignored if they are prefixed with
// a dot or an underscore (such as ".foo" or "_foo"), or are named "testdata".
// Relative import paths are not converted to full import paths.
// If args is empty, a single element "." is returned.
func (c *Context) ImportPaths(args []string) []string {
return c.importPaths(args)
}
// ImportPaths returns the import paths to use for the given command line
// using default context.
//
// The path "all" is expanded to all packages in $GOPATH and $GOROOT.
// The path "std" is expanded to all packages in the Go standard library.
// The path "cmd" is expanded to all Go standard commands.
// The string "..." is treated as a wildcard within a path.
// When matching recursively, directories are ignored if they are prefixed with
// a dot or an underscore (such as ".foo" or "_foo"), or are named "testdata".
// Relative import paths are not converted to full import paths.
// If args is empty, a single element "." is returned.
func ImportPaths(args []string) []string {
return DefaultContext.importPaths(args)
}